11222001200 has 30 divisors (see below), whose sum is σ = 26960858844. Its totient is φ = 4488800320.

The previous prime is 11222001199. The next prime is 11222001221. The reversal of 11222001200 is 210022211.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14027102 + ... + 14027901.

Almost surely, 2^11222001200 is an apocalyptic number.

11222001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222001200 is an abundant number, since it is smaller than the sum of its proper divisors (15738857644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11222001200 is a wasteful number, since it uses less digits than its factorization.

11222001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28055021 (or 28055010 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 11222001200 its reverse (210022211), we get a palindrome (11432023411).

The spelling of 11222001200 in words is "eleven billion, two hundred twenty-two million, one thousand, two hundred".